Yamaha ybr125 aftermarket exhaust

[markrolls88]

Hi I have a 2010 yamaha ybr and I'm wanting to buy this exhaust for it which I know it will fit my bike but on the original exhaust there is a pipe that comes out of the silencer part of the exhaust but this dosnt have that so what do I do with that
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sparky

[Az]

Pictures?

Your description's pretty poor tbh, from what I can make out it sounds like you're describing a removeable db killer. I doubt a YBR would have a removable db killer in the standard exhaust though.

Edit: Did you possibly mean that your new aftermarket exhaust has a "pipe that comes out of the silencer part of the exhaust" ?

[markrolls88]

Sorry the picture is a eBay item number you'll see what I mean look at a standard Yamaha 2010 exhaust they have a pipe coming out of them the Leo Vince one dosn't so what do I do with that pipe but I have checked the specs of that pipe and they fit 2010 ybr 125's so I don't get it
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sparky

[flumpy7]

Still no picture.....no offence but you're not making a lot of sense
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2012 Sinnis apache

[YBR Ric]

Remove side panels to access seat bolts, remove seat.
Remove all SAI pipework exiting from the top of the air box and seal up the open spigot with a suitable bung.

Refit seat and side panels and ride bike.

[markrolls88]

this first one is the same as my exhaust you can see there is a pipe coming out of it https://www.ebay.co.uk/itm/2010-Yamaha-YBR125-YBR-125-Complete-Exhaust-System-Cheap-Needs-Repair-Breaking-/321295893990?pt=UK_Motorcycle_Parts_13&hash=item4aceba45e6

and this one is the one i want to buy so what do i do with that pipe cos if that pipe goes back into the engine there will be a hole
https://www.ebay.co.uk/itm/Yamah-ybr-Leovince-cobra-race-exhaust-/181306931143?pt=UK_Motorcycle_Parts_13&hash=item2a36bc37c7
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sparky

[pdg]

If you don't know - or can't be bothered to find out - how to bypass an EGR system (or whatever yamaha call it this week) then you should consider sticking with the standard exhaust. Why are you wanting to replace it anyway, is it rusty/broken or just 'because race bike'?

To be fair, putting a 'race' pipe on without other work will likely only achieve 4 things - 5mph lower top speed, slower acceleration, more noise, you'll look like a twat.

There is a lot you can do to a 125 to improve matters somewhat, but if you're stumped by a scavenge pipe then it's probably over your head.
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Any and all advice given should not be followed - if you have to ask it means you don't know so get a man in to do it for you.

[markrolls88]

the exhaust on mine has split open and its £300+ for an original and only £100 for the after market exhaust i just dont understand what i would do with that pipe will i be able to get instructions any where or should i take it to a garage will they know how to do it and will it still run the same with that pipe missing
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sparky

[pdg]

Following a 30 second search I found out that it's not actually an EGR, but the removal is very similar. I really can't be bothered to do any more research into a bike I'll never have.

Back in the old days we had a system.

Read the manual.
Look at the parts.
Assess the possible implications.
Experiment.

Not always in that order, and quite frankly the 'read the manual' section didn't always happen (sometimes the library didn't have the right manual in stock).

Of course, 'the old days' were before the internet, so we knew what a library and a manual were and I suppose the lack of spoon holders meant we had to think about things for ourselves...
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Any and all advice given should not be followed - if you have to ask it means you don't know so get a man in to do it for you.

[_Iain_]

https://www.motorcyclespareparts.eu/App_Themes/VDM/Catalog/Yamaha/Motorcycles/CE_1974_1.jpg

Put a bolt in the end of no.25 to seal it and remove everything leading back towards the pipe.

Race pipe won't make it any faster, stick with used OEM if you can find one. +1t on the front sprocket will make it faster JTF-1263-15, but you'll need to switch to the old style sprocket retainer 4FPE745601, and two bolts 9502206010 (Yamaha numbers) - Shouldnt cost more than around £10 all in. You can modify the late model retainer to work with the new style sprocket, but it really isn't very good and my front sprocket did actually come off after a few thousand miles, so would highly reccomend using the right part for the sake of £0.47
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Please be aware that the above post may be full of complete nonsense.
Riding: '07 KTM Duke II, Baotian BT49QT-20 Driving: '88 Volvo 340

[markrolls88]

isnt the pipe going in at the diagram at no 18 will it 100% fit and if i just take it to a garage will they be able to do it and without having that pipe will it cause any damage to the engine or bike in any way
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sparky

[chris-red]

Is English your first language?
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[YBR Ric]

This exhaust ???

https://www.ebay.co.uk/itm/leovince-exhaust-yamaha-ybr-new-/181290499523

https://www.ebay.co.uk/itm/leovince-exhaust-for-yamaha-ybr-new-/181290499523?clk_rvr_id=576863820921&nma=true&si=WC%252BU21CAhTBrbLNnfsc571Mo7bM%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557

[dansidi]

Hi Mark,

It's a breather pipe, apparently and is not required for a functioning exhaust system. From what I have been told, it is required to comply with some Euro emission standards. I know don't know any more than that, sorry.

I looked into getting a Leo Vince for my 2010 YBR, but found it a bit too pricey. I ended up just cleaning up my original exhaust - grinding off the rust and re-spraying with UHT paint.

Hope that helps, mate.
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current bike to first bike: SV650s K3, YBR125, Vespa GT125, Vespa ET4-125, Suzuki CS-50 (!!)
Mod 1 passed 02-11-2012
Mod 2 passed 05-12-2-12

[_Iain_]

Number 18 is a hose clip

You need to remove all the parts between number 18 and 25, put a bolt in the end of hose number 25 and that will eliminate the system. Its fine. A garage probbably wont do it.

Its very very simple.
____________________
Please be aware that the above post may be full of complete nonsense.
Riding: '07 KTM Duke II, Baotian BT49QT-20 Driving: '88 Volvo 340

[chilloutdude]

Hi Guys,

I realise the last response to this thread was in January but was hoping one of you could help clear up an issue I'm having.

I have just ordered an after-market exhaust from a website called www.motorcycleproducts.co.uk for a 2009 model. Everything looked fine after researching the company and had prompt delivery. However, after looking closely at the exhaust I've noticed the logo reads 'YAMANA'. Is this a counterfeit product or a cheap knock-off? Will it be reliable enough to install on the bike? I can upload pics if that helps (new to this forum).

From looking more into the current ebay listings for YBR exhausts- nearly all appear to have this fake logo. Any help is much appreciated!

[Rogerborg]

[Wonko The Sane]

[chilloutdude]

Thanks for the quick and detailed responses- much appreciated!

Had another look at the exhaust- no e-markings are present but the seller claims these are not needed on MOT's anymore.

No labels to say it is not fit for road use.

There does not appear to be a hole for O2 sensor to fit.

Tried to use a website which seemed more legitimate than Ebay but obviously backfired. Seems like the best bet is to get a refund on this exhaust and try to find a spare from a scrap bike elsewhere.

Thanks again.

[Rogerborg]

Hmm. I can see YBR 125 oxygen sensors being sold, but I suppose it could be open loop.

Have you had a look at your current exhaust? Does it have an oxygen sensor or not?
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[_Iain_]

[chris-red]

Clearly stated on the website.

[chilloutdude]

This does seem to be an inherent problem across Ebay listings as well. Most list exhausts stating they are fit for 08-09 models but do not have the ability to work with the bikes O2 sensor or any of the relevant markings.

Chris- Would you genuinely pay £350 for a new exhaust which is over a third of the bikes value?

[chris-red]

[Pol Anorl]

some people winge over stupid shit, pay little get little quality.
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